Fitbit Alta HR (FB408)

Slim, sleek, and unobtrusive design ; Precise heart-rate tracking ; Impressive activity recognition ; Useful sleep-tracking data

Dim, finicky screen ; Not waterproof ; No manual fitness profiles or relaxation features

The Fitbit Alta HR is an impressive fitness tracker at its price point. It may lack a few bells and whistles found on its pricier counterparts, but the Alta HR’s compactness, the accuracy of its heart-rate tracker, the smart activity recognition, and...

Slim, comfortable design On-point steps counting Accurate heart rate reader

Screen slightly unresponsive Not the most dynamic sports tracker Display difficult to read in bright light

With the Alta HR, Fitbit has taken what was already a solid activity tracker, and made it better. It’s not flash, it’s not elaborate, but it is slick and with its newly added heart rate tracking skills it's a more well-rounded fitness companion for...

Fitbit’s most stylish tracker ; Added heart rate sensors ; Week-long battery life ; Advanced sleep tracking software

No control over tracking exercises ; No GPS for accurate distances ; Tap-sensitive display is annoying

Long battery life. More in-depth sleep tracking and insights over its predecessor. Accurate heart rate and step count readings. Slim and comfortable to wear 24/7 with plenty of band options.

Screen is occasionally unresponsive. Buckle feels a bit flimsy. No altimeter. Lacks GPS.

Ultimately, the one to pick comes down to one question: Would you rather spend your money on a better design and longer battery life, or more functionality and features? While the Alta HR can keep pace with the Charge 2 on most levels, it makes slight...

Slim and stylish design ; Comfortable to wear ; Interchangeable straps ; Heart rate tracking ; Accurate activity tracking ; Great sleep tracking ; Good week-long battery life ; Great app platform

Not much cheaper than more capable Charge 2 ; Lacks a few features like Guided Breathing ; No option to start a workout from device ; No waterproofing ; No altimeter

The Alta is by far the most stylish Fitbit thanks to its slim body and interchangeable straps. Add heart-rate tracking and improved sleep tracking and the Alta HR steps things up to a notable degree.

Instant feedback ; HR sensor ; Customisable design

Not water resistant ; Sensors can be tricked

The Fitbit Alta HR doesn’t offer much of an improvement over the existing Charge 2, and in fact you might struggle to notice any real difference at first. However, the more compact design and improved screen sensitivity is definitely a step up over...

Exercise auto-tracking is excellent ; Heart-rate tracking adds depth to stats ; Sleep tracking has promise ; Small and discrete

Not water-resistant ; Screen can be unresponsive ; Lacks an altimeter and guided breathing

A fine all-rounder with excellent autopilot tracking, but the Alta HR falls just short of greatness